http://book.klll.cc/ebooks/author/37930.opds?sort_order=release_date 2025-09-12T17:39:33Z Books by Cross, Frank B. (Frank Bernard) (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-12T17:39:33Z https://book.klll.cc/ebooks/author/37930.opds?sort_order=title Sort Alphabetically by Title 2025-09-12T17:39:33Z https://book.klll.cc/ebooks/author/37930.opds?sort_order=downloads Sort by Popularity 2025-09-12T17:39:33Z https://book.klll.cc/ebooks/38425.opds Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis Frank B. Cross and Leonard J. Olund 2025-09-12T17:39:33Z https://book.klll.cc/ebooks/35838.opds Five Natural Hybrid Combinations in Minnows (Cyprinidae) Frank B. Cross and W. L. Minckley